1. To improve accuracy of search results, we have changed the way we display non-Native (language) accounts & now only display non-English accounts on the Unfollow > Non - English page:
2. A similar change has also been made in PowerMode. We have changed the way we display Native/non-Native (language) accounts & now only display English and non-English accounts.
The reason for these changes was based on the fact that we discovered a limitation with using Twitter's language field with our app and were unable to guarantee that results were accurate.